Archived App (Last seen on 3 Aug 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
The icon buttons on each app have clear text boxes.
Clear indication, waveform, wavelength, frequency, intensity control, etc.
After selecting the waveform, you can also save it with my favorite, so that you can use it for the next time.
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What's New in RYHT
1.53
March 26, 2023
change the timer default settings for my favorites
